Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1856

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

9797

why we not use caffeine at 205nm for hplc calibration?

3312

Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?

1177

What is aggregate and fragments in SEC?

2112

why cone formation during dissolution?

783

Tell me how many significant figures are there in the number 0.0036?

1046

IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

2456

What is the reaction that occurs during the titration?

1083

if identification threshold crosses the limits then what next step?

863

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

2221

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2707

In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

3128

In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?

2336

What is the process for the removal of salts from brackish water or seawater to make it usable?

1019